ÌâÄ¿ÄÚÈÝ

ijʵÑéС×é²ÉÓÃÈçͼËùʾµÄ×°ÖÃ̽¾¿¹¦ÓëËٶȱ仯µÄ¹Øϵ£¬Ð¡³µÔÚÏðƤ½îµÄ×÷ÓÃϵ¯³öºó£¬ÑØľ°å»¬ÐУ®´òµã¼ÆʱÆ÷¹¤×÷ƵÂÊΪ50 Hz.

ʵÑéÖÐľ°åÂÔ΢Çãб£¬ÕâÑù×ö£¨    £©
A£®ÊÇΪÁËʹÊÍ·ÅС³µºó£¬Ð¡³µÄÜÔȼÓËÙÏ»¬
B£®ÊÇΪÁËÔö´óС³µÏ»¬µÄ¼ÓËÙ¶È
C£®¿ÉʹµÃÏðƤ½î×öµÄ¹¦µÈÓÚºÏÁ¦¶ÔС³µ×öµÄ¹¦
D£®ÊÇΪÁËʹÊÍ·ÅС³µºó£¬Ð¡³µÄÜÔȼõËÙÏ»¬
±¾ÊµÑéÖУ¬¹ØÓÚÏðƤ½î×öµÄ¹¦£¬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ£¨   £©
A£®ÏðƤ½î×öµÄ¹¦¿ÉÒÔÖ±½Ó²âÁ¿´óС
B£®Í¨¹ýÔö¼ÓÏðƤ½îµÄÌõÊý¿ÉÒÔʹÏðƤ½î¶ÔС³µ×öµÄ¹¦³ÉÕûÊý±¶Ôö¼Ó
C£®ÏðƤ½îÔÚС³µÔ˶¯µÄÈ«³ÌÖÐʼÖÕ×ö¹¦
D£®°ÑÏðƤ½îÀ­ÉìΪԭÀ´µÄÁ½±¶£¬ÏðƤ½î×ö¹¦Ò²Ôö¼ÓΪԭÀ´µÄÁ½±¶

ʵÑéÖÐÏȺóÓÃͬÑùµÄÏðƤ½î1Ìõ¡¢2Ìõ¡¢3Ìõ¡¢4Ìõ¡­¡­£¬¹ÒÔÚС³µµÄÇ°¶Ë½øÐжà´ÎʵÑ飬ÿ´Î¶¼Òª°ÑС³µÀ­µ½Í¬Ò»Î»ÖÃÔÙÊÍ·ÅС³µ£®°ÑµÚ1´ÎÖ»¹Ò1ÌõÏðƤ½îʱÏðƤ½î¶ÔС³µ×öµÄ¹¦¼ÇΪW1£¬µÚ¶þ´Î¹Ò2ÌõÏðƤ½îʱÏðƤ½î¶ÔС³µ×öµÄ¹¦Îª2W1£¬¡­¡­£»ÏðƤ½î¶ÔС³µ×ö¹¦ºó¶øʹС³µ»ñµÃµÄËٶȿÉÓÉ´òµã¼ÆʱÆ÷´ò³öµÄÖ½´ø²â³ö£®¸ù¾ÝµÚËĴεÄÖ½´ø(ÈçÉÏͼËùʾ)ÇóµÃС³µµ¯¿ªºó»ñµÃµÄËÙ¶ÈΪ_________m/s£®£¨Í¼Öи÷µãÊÇÏàÁڵļÆʱµã£©
ÈôW¡ªv2ͼÏñÓ¦¸ÃÊÇÒ»Ìõ¹ýÔ­µãµÄÇãбµÄÖ±Ïߣ¬Ôò˵Ã÷_______________£®
(1) C£»(2) B£»(3) 2£»(4) WÓëv2³ÉÕý±È¡£

ÊÔÌâ·ÖÎö£º(1)ʵÑéÖÐľ°åÂÔ΢Çãб£¬ÊÇΪÁ˽«Ð¡³µÔ˶¯Ê±µÄĦ²ÁÁ¦Æ½ºâµô£¬ÕâÑùÏðƤ½î¶ÔС³µµÄ¹¦¾ÍÊǺÏÍâÁ¦µÄ¹¦£¬ËùÒÔCÊÇÕýÈ·µÄ£»DÖÐÓ¦¸Ã˵Ã÷µ±²»¹ÒÏðƤ½îʱ£¬Ð¡³µ²ÅÊÇÔÈËÙÏ»¬µÄ¡£
£¨2£©ÓÉÓÚÏðƤ½î×öµÄ¹¦¾ÍÊǺÏÍâÁ¦µÄ¹¦£¬ÎÒÃÇÒª¸Ä±äºÏÁ¦ÍâµÄ¹¦£¬ÊÇͨ¹ýÔö¼ÓÏðƤ½îµÄÌõÊýÀ´ÊµÏֵģ¬¼ÓÉÏÏàͬÌõÊýµÄÏðƤ½îºó£¬ºÏÁ¦¶ÔС³µµÄ¹¦Ò²³É±¶ÊýµØ±ä»¯£¬ÕâÑù±ãÓڱȽÏÊÇ·ñµ±ºÏÍâÁ¦µÄ¹¦Ôö´ó¼¸±¶Ê±£¬Æ䶯ÄÜÊÇ·ñÒ²Ôö´ó¼¸±¶£¬¹ÊBÊÇÕýÈ·µÄ£»AÖÐÏðƤ½îµÄ¹¦ÊDz»ÄÜÖ±½Ó²âÁ¿Æä´óСµÄ£¬Ö»ÄÜ˵Á½¸öÏàͬµÄÏðƤ½î¶ÔС³µ×öµÄ¹¦ÊÇÒ»¸öÏðƤ½î¶ÔС³µ×ö¹¦µÄ2±¶£¬¹ÊA²»¶Ô£»CÖе±Ð¡³µÍ¨¹ýÌú¶¤ºó£¬ÏðƤ½î¾Í²»ÔÚ¶ÔС³µ×ö¹¦ÁË£¬¹ÊCÒ²²»¶Ô£»Èç¹ûÏðƤ½îÀ­ÉìΪԭÀ´µÄÁ½±¶£¬ÔòÏðƤ½î×ö¹¦ÊDz»Ôö¼ÓΪԭÀ´µÄÁ½±¶£¬¹ÊDÒ²ÊDz»¶ÔµÄ¡£
£¨3£©ÓÉÖ½´ø¿´³ö£¬µã¼£¾ùÔȵÄʱºò£¬Ð¡³µÊÇ×öÔÈËÙÖ±ÏßÔ˶¯£¬´ËʱËÙ¶È×î´ó£¬ÎªÐ¡³µµ¯¿ªºó»ñµÃµÄËٶȣ¬´óСΪv==200m/s¡£
£¨4£©ÈôW¡ªv2ͼÏñÓ¦¸ÃÊÇÒ»Ìõ¹ýÔ­µãµÄÇãбµÄÖ±Ïߣ¬Ôò˵Ã÷WÓëv2³ÉÕý±È¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
£¨13·Ö£©£¨1£©ÔÚÎïÀíʵÑéÖÐÌåÏÖÁ˺ܶàµÄÎïÀíÑо¿·½·¨£¬ÈçÀíÏëʵÑé·¨¡¢¿ØÖƱäÁ¿·¨¡¢¼«ÏÞ˼ά·¨¡¢Í¼Ïñ·¨¡¢Àà±È·¨¡¢¿Æѧ¼Ù˵·¨¡¢Î¢Ð¡Á¿·Å´ó·¨ÓëµÈЧÌæ´ú·¨µÈ¡£Çë°ÑºÏÊʵķ½·¨»òÕýÈ·µÄ´ð°¸ÌîÔÚÏàÓ¦µÄ¿Õ¸ñÄÚ¡£

¢ÙÔÚ¡°ÀûÓôòµã¼ÆʱÆ÷²âËٶȡ±µÄʵÑéÖУ¬ÔËÓà    ·¨£¬¿ÉÒÔÀûÓôòµã¼ÆʱÆ÷´ò³öµÄÖ½´ø²âËã³öijµãµÄ˲ʱËٶȣºÔÚ¡°Ì½¾¿»¥³É½Ç¶ÈµÄÁ½¸öÁ¦µÄºÏ³É¡±µÄʵÑéÖУ¬·Ö±ðÓÃÒ»¸öÁ¦F»òÁ½¸ö»¥³É½Ç¶ÈµÄF1¡¢F2£¬°ÑÒ»¸öÒ»¶Ë¹Ì¶¨µÄÏðƤ½îÀ­É쵽ͬһλÖã¬ÔòF¾ÍÊÇF1ºÍF2µÄºÏÁ¦£¬ÊµÑéÔ­Àí²ÉÓõÄÊÇ       ·¨¡£ÔÚ¡°Ì½¾¿Æ½Å×Ô˶¯µÄ¹æÂÉ¡±µÄʵÑéÖУ¬ÈçͼËùʾ£¬ÓÃС´¸´ò»÷µ¯ÐÔ½ðÊôƬ£¬½ðÊôƬ°ÑAÇòÑØˮƽ·½ÏòÅ׳ö£¬Í¬Ê±BÇòËÉ¿ª£¬×ÔÓÉÏÂÂ䣬A¡¢BÁ½Çòͬʱ¿ªÊ¼Ô˶¯£¬¹Û²ìµ½Á½ÇòͬʱÂäµØ¡£ÔËÓà    ·¨£¬¿ÉÒÔÅж¨Æ½Å×Ô˶¯ÔÚÊúÖ±·½ÏòÉϵķÖÔ˶¯ÊÇ×ÔÓÉÂäÌåÔ˶¯¡£
¢ÚͼÏó·¨ÊÇÎïÀíʵÑéÖÐÒ»ÖÖÖØÒªµÄÑо¿·½·¨¡£ÔÚÑо¿¼ÓËÙ¶ÈÓëÍâÁ¦£¨ÖÊÁ¿mÒ»¶¨£©µÄ¹Øϵ¡¢ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡¢Ì½¾¿µ¯Á¦´óСÓ뵯»ÉÉ쳤Á¿Ö®¼äµÄ¹ØϵÈý¸öʵÑéÖУ¬Ä³Í¬Ñ§ÕýÈ·×÷³öÁËÈý¸öʵÑéµÄÏà¹ØͼÏó£¬ÈçͼÖÐA¡¢B¡¢CËùʾ¡£¸ù¾Ý×ø±êÖá´ú±íµÄÎïÀíÁ¿Åжϣ¬AʵÑéµÄͼÏó¡°Ð±ÂÊ¡±±íʾ         £»BʵÑéͼÏóµÄ¡°Ð±ÂÊ¡±±íʾ          £»CʵÑéͼÏóµÄ¡°Ð±ÂÊ¡±±íʾ           ¡£
£¨2£©Ä³Ò»Ð¡Ð͵ç·çÉȶµçѹΪ4.0V£¬¶î¶¨¹¦ÂÊΪ2.4W¡£Ä³ÊµÑéС×éÏëͨ¹ýʵÑéÃè»æ³öСµç·çÉȵķü°²ÌØÐÔÇúÏß¡£ÊµÑéÖгýµ¼ÏߺͿª¹ØÍ⣬»¹ÓÐÒÔÏÂÆ÷²Ä¿É¹©Ñ¡Ôñ£º
A£®µçÔ´E£¨µç¶¯ÊÆΪ4.5V£©                             
B£®µçѹ±íV£¨Á¿³ÌΪ0¡«5V£¬ÄÚ×èԼΪ4k£©
C£®µçÁ÷±íA1£¨Á¿³ÌΪ0¡«0.6A£¬ÄÚ×èԼΪ0.2£©
D£®µçÁ÷±íA2(Á¿³Ì3A£¬ÄÚ×èÔ¼0.05);
E£®»¬¶¯±ä×èÆ÷R1£¨×î´ó×èÖµ10,¶î¶¨µçÁ÷1A£©
F£®»¬¶¯±ä×èÆ÷R2£¨×î´ó×èÖµ2k,¶î¶¨µçÁ÷100mA£©

¢ÙΪÁ˱ãÓÚµ÷½Ú£¬¼õС¶ÁÊýÎó²îºÍϵͳÎó²î£¬ÊµÑéÖÐËùÓõçÁ÷±íӦѡÓà £¬»¬¶¯±ä×èÆ÷ӦѡÓà   ¡££¨ÌîËùÑ¡ÒÇÆ÷Ç°µÄ×ÖĸÐòºÅ£©¡£
¢ÚÇëÄãΪ¸ÃС×éÉè¼ÆʵÑéµç·£¬²¢°Ñµç·ͼ»­ÔÚÐéÏßÄÚ£¨Ð¡µç·çÉȵĵç··ûºÅÈçͼËùʾ£©¡£
¢Û²Ù×÷¹ý³ÌÖз¢ÏÖ£¬Ð¡µç·çÉÈͨµçºóÊÜ×èÁ¦×÷Ó㬵çѹ±í¶ÁÊýСÓÚ0.5Vʱµç·çÉÈûÆô¶¯¡£¸ÃС×é²â»æ³öµÄСµç·çÉȵķü°²ÌØÐÔÇúÏßÈçͼËùʾ£¬ÓÉ´Ë¿ÉÒÔÅж¨£¬Ð¡µç·çÉȵĵç×èΪ    £¬Õý³£¹¤×÷ʱµÄ·¢Èȹ¦ÂÊΪ   £¬»úе¹¦ÂÊΪ   ¡£

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø